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Individual Calculations September 2015 |
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| Pride, Stephen C Total change: -6.60 | |   |
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| 102nd British Chess Championships Under 180 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1655 | 1.50 | 5 | 0.04 | 20 | 0.80 | |
|  Slinger, Tony J | | | 1919 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Openshaw, David K | | | 1881 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Coward, Neil | | | 1831 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Newell, David F | | | 1874 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Horlock, Peter J | | | 1600 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 102nd British Chess Championships Under 160 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1660 | 1.50 | 3 | 0.33 | 20 | 6.60 | |
| | Goodwin, Ed H | | | 1795 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Connolly Sams, Lukah | | | 1560 | SCO | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Clegg, Robert | | | 1892 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 102nd British Chess Championships Week 2 PM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1660 | 0.00 | 1 | -0.21 | 20 | -4.20 | |
| | Clegg, Robert | | | 1892 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Hampstead Under 1900 Congress Aug15 | London | ENG | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1660 | 1.50 | 4 | -0.49 | 20 | -9.80 | |
| | Huang, Dion | | | 1879 | ENG | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Miu, Marinel | | | 1808 | ROU | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Radhakrishnan, Dhruv | | | 1469 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Weaver, Lauren | | | 1492 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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